Description Usage Format Details Source Examples
Dataset of 1001 8-digit points
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1001 observation of 1 variable:
This generated/fabricated dataset consists of 1001 8-digit floating-point values: a single 1000000.2, followed by 500 pairings of 1000000.1 and 1000000.3. By construction, this data set has sample mean = 1000000.2 (exact); sample standard deviation = .1 (exact); and sample autocorrelation coef. = -0.999 (exact). The construction was carried out based on considerations described by Simon, Stephen D. and Lesage, James P. (1989): Assessing the Accuracy of ANOVA Caluclations in Statistical Software", Computational Statistics \& data Analysis, 8, pp. 325-332.
Level of Difficulty | Average |
Variables | 1 |
Observations | 1001 |
First observation | 1000000.2 |
Expected results (as certified) | |
Mean | 1000000.2 (exact) |
Standard Deviation | 0.1 (exact) |
Population lag-1 autocorrelation coefficient | -0.999 (exact) |
http://www.itl.nist.gov/div898/strd/univ/numacc3.html
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